Home / 612,036,385.20-918,054,577.80-367,148,372.40

Finding the Fourth Proportional to 612,036,385.20, 918,054,577.80 and 367,148,372.40

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Solution

The fourth proportional to 612,036,385.20, 918,054,577.80 and 367,148,372.40 is: 550,722,558.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,036,385.20 : 918,054,577.80 = 367,148,372.40 : x
  2. Step 2: Convert to fraction form
    612,036,385.20/918,054,577.80 = 367,148,372.40/x
  3. Step 3: Cross multiply
    612,036,385.20x = 918,054,577.80 × 367,148,372.40
  4. Step 4: Simplify right side
    612,036,385.20x = 337,062,244,013,639,104
  5. Step 5: Solve for x
    x = 337,062,244,013,639,104/612,036,385.20
  6. Step 6: Final answer
    x = 550,722,558.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.